The Miao Miao armband is designed to keep your Freestyle Libre sensor with the Miao Miao device in place. No more worrying about your devices falling off.
The elastic that goes around the arm is adjustable so it's suitable for children and adults.
Available in black and white.
Get $10 off the Miao Miao device through this link (the Miao Miao device is sold directly from the manufacturer)